20721382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1741}}^1$

素因数の和:2295

約数の個数: 16

約数和(自身を含む): 33989904

約数和(自身を除く): 13268522

約数列:

[1, 2, 11, 22, 541, 1082, 1741, 3482, 5951, 11902, 19151, 38302, 941881, 1883762, 10360691, 20721382]

約数ペア:

[(1, 20721382), (2, 10360691), (11, 1883762), (22, 941881), (541, 38302), (1082, 19151), (1741, 11902), (3482, 5951)]